Mannlzeug: Nachtwächters Grenzen
(Published on 21. December 2009, 05:00 by Pyrrhon)
The night watchman is facing the following puzzle:
Fill the grid with tetrominos (4-units) in the colors red, blue and yellow. Tetrominos of the same color can only touch on the corners. An orange line is between a red and a yellow cell, a green line between a yellow and a blue cell. A purple line is between a blue and a red cell.
Solution code: The number of red cells in the rows, from top to bottom.
Last changed on on 21. December 2009, 09:32
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